12011212222333 has 4 divisors (see below), whose sum is σ = 12018434841088. Its totient is φ = 12003989603580.

The previous prime is 12011212222297. The next prime is 12011212222337. The reversal of 12011212222333 is 33322221211021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12011212222333 - 2¹⁷ = 12011212091261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011212222298 and 12011212222307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011212222337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3611306883 + ... + 3611310208.

It is an arithmetic number, because the mean of its divisors is an integer number (3004608710272).

Almost surely, 2^{12011212222333} is an apocalyptic number.

It is an amenable number.

12011212222333 is a deficient number, since it is larger than the sum of its proper divisors (7222618755).

12011212222333 is an equidigital number, since it uses as much as digits as its factorization.

12011212222333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7222618754.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12011212222333 its reverse (33322221211021), we get a palindrome (45333433433354).

The spelling of 12011212222333 in words is "twelve trillion, eleven billion, two hundred twelve million, two hundred twenty-two thousand, three hundred thirty-three".